package com.code.servlet;

import com.alibaba.fastjson.JSON;
import com.code.pojo.User;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;

@WebServlet("/test02Servlet")
public class Test02Servlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request, response);
    }
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        System.out.println(username + "---" + password);

        //创建List集合对象
        ArrayList<User> list = new ArrayList<>();
        Collections.addAll(list, new User("zhangsan", "123"),
                new User("123", "234"),
                new User("234", "345"));

        //将list转换为json字符串
        String str = JSON.toJSONString(list);

        //响应给前端
        response.getWriter().print(str);

    }
}
